Finally, and this is more serious, how would I know that musicians are using performance-enhancing drugs? It reminds me of an NPR All Things Considered story about cosmetic neurology that I’d meant to comment on. bookofjoe calls it Cosmetic Psychopharmacology, but either way, it’s about using drugs to enhance performance of many types: memory, eyesight, reaction time, calmness. On the other hand, musicians and artists throughout history have used drugs to ehance, stimulate, or inspire their work, so….